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Finding the Fourth Proportional to 264,452.76, 396,679.14 and 77,464.26

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Solution

The fourth proportional to 264,452.76, 396,679.14 and 77,464.26 is: 116,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,452.76 : 396,679.14 = 77,464.26 : x
  2. Step 2: Convert to fraction form
    264,452.76/396,679.14 = 77,464.26/x
  3. Step 3: Cross multiply
    264,452.76x = 396,679.14 × 77,464.26
  4. Step 4: Simplify right side
    264,452.76x = 30,728,456,037.54
  5. Step 5: Solve for x
    x = 30,728,456,037.54/264,452.76
  6. Step 6: Final answer
    x = 116,196.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.